import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@WebServlet("/form")
public class Practise_Form extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder.append("aa");
        stringBuilder.append("<br>");
        stringBuilder.append("bb");
        resp.setContentType("text/html;charset=utf8");
        resp.getWriter().write(stringBuilder.toString());
    }
}
